Zenith STOL CH 701

Infobox Aircraft
name=CH 701 & CH 750


caption= Zenair CH 701 on amphibious floats
type=Sport, personal and trainer aircraft
manufacturer=Zenith Aircraft Company
designer=Chris Heintz
first flight= 1986
introduced=1986
retired=
status=
primary user=
more users=
produced=1986-present
number built=750
unit cost=USD$30,000 - $50,000
developed from=
variants with their own articles= Zenith STOL CH 801

The Zenith STOL CH 701 and CH 750 are a family of light, two place aircraft designed by Canadian aeronautical engineer Chris Heintz through his Midland, Ontario based company, Zenair. The CH 701 first flew in 1986 and the design is still in production in 2008.Kitplanes Staff: "2008 Kit Aircraft Directory", page 80, Kitplanes Magazine December 2007 Volume 24, Number 12, Belvior Publications, Aviation Publishing Group LLC.] The CH 750 was first introduced in 2008. cite web|url = http://www.zenithair.com/stolch750/index.html|title = STOL CH 750|accessdate = 2008-08-09|last = Zenith Aircraft Company |authorlink = |year = 2008|month = July]

Manufacturers

The kit is produced and distributed in the USA by the Zenith Aircraft Company, and complete drawings (blueprints and manuals) are also available for the design.

Several distributors modify existing kits into so called quick-build kits.

In Europe, the CH 701 was manufactured under license by Czech Aircraft Works (CZAW) from 1992 until 2006, when the license agreement was ended.

In Iran, Raht-Aseman produces an aircraft designated Fajr-22 which appears to be identical to the CH 701 [http://www.janes.com/extracts/extract/jawa/jawa5333.html] .

Design

Designed for off-runway operations, the CH 701 has many unique features, such as a high-lift wing with full-span, non-movable leading edge slats (also known as slots), an all flying rudder, large tires, flaperons and an inverted elevator, that contribute to the aircraft's STOL capabilities. Heintz also designed a unique tricycle gear amphibious float system for the CH 701.

The STOL CH 701 has the unique distinction of being what is probably the most copied light aircraft in production today. Several dozen unauthorized versions have been produced around the world [ cite web|url = http://www.zenithair.com/stolch701/7-photo-copies.html|title = STOL CH701|accessdate = 2007-12-06|last = Zenith Aircraft Company|authorlink = |year = undated]

The CH 701 was developed into a four place version designated the Zenith STOL CH 801.

CH 750

Zenith introduced a variant of the CH 701 called the STOL CH 750 at AirVenture 2008. The 750 has an enlarged cabin and is optimized for the US Light Sport Aircraft rules with a gross weight of 1320 lbs (600 kg), compared to the 701's 1100 lbs (500 kg).

Production

By the fall of 2007 750 CH 701s had been completed and were flying.

Regulatory status

Designed to the Light Aircraft Manufacturers Association of Canada (LAMAC) design standard DS 10141, in its native country of Canada the CH 701 can be built and flown as a basic ultra-light [ cite web|url = http://www.tc.gc.ca/civilaviation/general/recavi/Ultralight/ULTransitionStrategy/menu.htm|title = Ultra-light Transition Stategy|accessdate = 2007-12-06|last = Transport Canada|authorlink = |year = 2007|month = April] , advanced ultra-light [ cite web|url = http://www.tc.gc.ca/civilaviation/general/CCARCS/advancedullist.htm|title = Listing of Models Eligible to be Registered as Advanced Ultra-Light Aeroplanes (AULA)|accessdate = 2007-12-06|last = Transport Canada|authorlink = |year = 2007|month = November] or amateur-built. [ cite web|url = http://www.tc.gc.ca/aviation/applications/exemptions/docs/en/1627.htm|title = EXEMPTION FROM SECTION 549.01 OF THE CANADIAN AVIATION REGULATIONS AND CHAPTER 549 OF THE AIRWORTHINESS MANUAL – AIRWORTHINESS STANDARDS - AMATEUR-BUILT AIRCRAFT|accessdate = 2007-12-06|last = Transport Canada|authorlink = |year = 2006|month = August]

The CH 701 can be flown under microlight/ultralight rules in several other countries also. American pilots may fly the CH 701 under FAA Light-sport Aircraft rules or as an experimental amateur-built.

The CH 750 is designed to comply with the US Light sport aircraft rules.

References


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